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Sludgy brown coolant on golf TDI

  • 29-11-2012 3:29pm
    #1
    cfc1888
    Closed Accounts Posts: 44 ✭


    Hi all.Just checked my coolant there and it appears a bit sludgy and is off colour.What should I do? The coolant needed is G12? Can I empty it out and refill.Answers appreciated.(Its a 07)


Comments

  • #2
    TURRICAN
    Closed Accounts Posts: 717 ✭✭✭TURRICAN


    Sounds like head gasket trouble.
    pull off the oil cap and see whats the story there.


  • #3
    cfc1888
    Closed Accounts Posts: 44 ✭cfc1888


    TURRICAN wrote: »
    Sounds like head gasket trouble.
    pull off the oil cap and see whats the story there.
    I hope not. I just topped up the oil and everything is as normal there.


  • #4
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    Could be an oil/coolant heat exchanger (if fitted) problem too.


  • #5
    L-M
    Registered Users, Registered Users 2 Posts: 23,694 ✭✭✭✭L-M


    Sounds like dirty auld coolant to me.


  • #6
    Ronnie Beck
    Closed Accounts Posts: 1,452 ✭✭✭Ronnie Beck


    sounds like a mix of different coolants. Blue and red. Flush the whole system properly a few times then fill with G12/ water 50/50.


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  • #7
    spank_inferno
    Closed Accounts Posts: 3,892 ✭✭✭spank_inferno


    either 2 different coolants mixed together or as previously mentioned, head gasket issue.

    Hopefully the former!


  • #8
    cfc1888
    Closed Accounts Posts: 44 ✭cfc1888


    Thanks for the responses lads.I'd say its a mixture of different coolants alright.The coolant was emptied in an accident before and a different colour was used to replace it.Is it an easy job to flush out and replace.Ive never really worked on a car before.I've read that G12 coolant can only be bought in a VW dealership! Is this true?


  • #9
    Mycroft H
    Registered Users, Registered Users 2 Posts: 9,313 ✭✭✭Mycroft H


    TURRICAN wrote: »
    Sounds like head gasket trouble.
    pull off the oil cap and see whats the story there.

    More like dirty water from lack of coolant


  • #10
    Ronnie Beck
    Closed Accounts Posts: 1,452 ✭✭✭Ronnie Beck


    BX 19 wrote: »
    More like dirty water from lack of coolant


    When you mix G12(pink) with another type of coolant normally G11(blue) or the green stuff it forms a off colour sludge. I would recommend the OP flushes the system with a coolant flush, take it for a spin, then fresh water, another spin and then top it up with 50/50 G12+/water.


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